The Global X Social Media ETF
, the iShares Nasdaq Biotech ETF
and the First Trust Dow Jones Internet ETF
were hammered in March and April, and these ETFs practically turned into market indicators, with traders keeping a close eye on them.

They recovered in May and June, but so far this month\’s action suggests the bears are back in control. Market watchers on Twitter were taking notice:

Momentum names acting like they did in March and April last two days. Definitely going to hit sentiment hard.

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